7383120
Descrição
Quiz por Aibat Karashev, atualizado more than 1 year ago
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Criado por Aibat Karashev
mais de 7 anos atrás
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Questão 1
Questão
What will be the output of the program?<br>
Responda
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Pine
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Oak
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Tree
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Forest
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Oops
Questão 2
Questão
Select how you would run your program to cause it to print: Arg is 2 <br>
Responda
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java Myfile 2 2 2
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java Myfile 1 2 2 3 4
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java Myfile 1 3 2 2
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java Myfile 1 2 2 2
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java Myfile 0 1 2 3
Questão 3
Questão
What is the prototype of the default constructor?<br>
Responda
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Test()
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Test
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public Test()
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public Test(void)
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Test(void)
Questão 4
Questão
What is the widest valid returnType for methodA in line 3?<br>
Responda
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int
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long
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byte
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double
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void
Questão 5
Questão
Which is valid in a class that extends class A?<br>
Responda
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public int method1(int a, int b) {return 0; }
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private int method1(int a, int b) {return 0; }
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protected static int method1(int a, int b) {return 0; }
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public long method1(int a, int b) {return 0; }
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public static int method1(int a, int b) {return 0; }
Questão 6
Questão
What will be the output of the program?<br>
Responda
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one two three four
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one two three four one
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four three two one
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four one three two
Questão 7
Questão
What will be the output of the program?<br>
Responda
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AC
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ACD
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BD
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ABCD
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ABD
Questão 8
Questão
What will be the output of the program after the running program in such way :/> java Test red green blue?<br>
Responda
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baz =
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baz = blue
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baz = null
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Runtime Exception
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Compilation Error
Questão 9
Questão
What will be the output of the program? <br>
Responda
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It will print the numbers from 0 to 19 sequentially
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It will print the numbers from 1 to 20 sequentially
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It will print the numbers from 0 to 19 but the order is not determined
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It will print the numbers from 1 to 20 but the order is not determined
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It will print the numbers from 0 to 9 two times, but the order is not determined
Questão 10
Questão
The following block of code creates a Thread using a Runnable target: <br>
Which of the following classes can be used to create the target, so that the preceding code compiles correctly?
Responda
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public class MyRunnable extends Runnable{public void run(){}}
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public class MyRunnable extends Object{public void run(){}}
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public class MyRunnable implements Runnable{public void run(){}}
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public class MyRunnable implements Runnable{void run(){}}
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public class MyRunnable implements Thread{void run(){}}
Questão 11
Questão
What will be the output of the program?<br>
Responda
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AB
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BC
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BCD
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ABC
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ACD
Questão 12
Questão
Which of these will create and start this thread? <br>
Responda
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new Runnable(MyRunnable).start();
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new Thread(MyRunnable).run();
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new Thread(new MyRunnable()).start();
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new MyRunnable().start();
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new Runnable(MyRunnable).run();
Questão 13
Responda
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true true
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true false
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false true
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false false
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Runtime error will occur
Questão 14
Responda
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24
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30
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120
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720
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Compilation Error
Questão 15
Responda
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1
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0
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5
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15
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Compilation Error
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Runtime Error
Questão 16
Responda
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1
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0
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12
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78
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Compilation error
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Runtime error
Questão 17
Questão
What will be the output of the program? <br>
Responda
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Got the exception 10
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Got the exception e
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Compilation error
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Runtime error
Questão 18
Questão
What will be the output of the program? <br>
Responda
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Got the Test Exception
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Inside finally block
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Got the Test Exception <br> Inside finally block
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Compilation error
Questão 19
Questão
What will be the output of the program? <br>
Responda
-
Compilation error
-
Compiles and runs fine
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Compiles fine but throws ArithmeticException at runtime
Questão 20
Questão
What will be the output of the program? <br>
Responda
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Caught base class exception
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Caught derived class exception
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Caught base class exception <br> Caught derived class exception
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Compilation error because derived is not throwable
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Compilation error because base class exception is caught before derived class
Questão 21
Questão
What will be the output of the program? <br>
Responda
-
Compilation error
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Divide by zero error
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inside the finally block
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a = 0
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a=0 <br> Divide by zero block <br> inside the finally block
Questão 22
Questão
What will be the output of the program?<br>
Responda
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Compilation error
-
Runtime error
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ArrayIndexOutOfBoundsException
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ErrorCode is printed
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Array is printed
Questão 23
Questão
What will be the output of the program? <br>
Responda
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Derived::show() called
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Base::show() called
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Compilation error
-
Runtime error
Questão 24
Questão
What will be the output of the program? <br>
Responda
-
Derived::show() called
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Base::show() called
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Compilation error
-
Runtime error
Questão 25
Questão
What will be the output of the program? <br>
Responda
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Base
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Derived
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Compilation error
-
Runtime error
Questão 26
Questão
What will be the output of the program? <br>
Responda
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Compilation error in super.super.Print()
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Grandparent’s print <br> Child’s Print()
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Grandparent’s print <br> Parent’s Print <br> Child’s Print()
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Runtime error
Questão 27
Questão
What will be the output of the program? <br>
Responda
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Complex number is (10.0 + 15.0i)
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Compilation error
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Runtime error
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Complex number is Complex@8e2fb5 (where 8e2fb5 is hash code of c)
Questão 28
Questão
What will be the output of the program? <br>
Responda
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20
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0
-
Compilation error
-
Runtime error
Questão 29
Questão
What will be the output of the program? <br>
Responda
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s1 == s2 is: true
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s1 == s2 is: false
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true
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false
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compilation error
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runtime exception
Questão 30
Questão
What will be the output of the following program? <br>
Responda
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BD
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ABDE
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BCDE
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BCD
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BDE
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ABCE
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ABCD
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ABD
Questão 31
Questão
What will be the output of the following code? <br>
Responda
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hello caught finally after
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hello throwit finally
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hello throwit caught finally after
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compilation fails
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hello caught after
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caught finally after
Questão 32
Questão
What will be the output of the program? <br>
Responda
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finally
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Compilation fails
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exception finished
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finally finished
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finally exception finished
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finally exception
Questão 33
Questão
What will be the output of the program? <br>
Responda
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ABCD
-
ACD
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ABD
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BCD
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BC
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BD
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CD
Questão 34
Questão
What will be the output of the program? <br>
Responda
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Hello world
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Hello world Finally executing
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Finally executing
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Nothing. The program will not compile because no exceptions are specified
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Nothing. The program will not compile because no catch clauses are specified
Questão 35
Questão
What will be the output of the program? <br>
Responda
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Ex0 caught
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Exception caught
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Compilation fails on line 2
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Compilation fails on line 9
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Compilation fails on line 11
Questão 36
Questão
What line of code should replace the missing statement to make this program compile? <br>
Responda
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import java.io.*;
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import java.io.PrintWriter
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include java.io.*;
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no statement required
Questão 37
Questão
What will be the output of the program?<br>
Responda
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0
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error
-
Compilation fails
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An uncaught exception is thrown at runtime
-
No output
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/ by 0
Questão 38
Questão
Given <br> <b> Note: The keyword "instanceof" is use to check whether an object is of a particular type</b><br>What is the result?
Responda
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Will produce output as false
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Compilation fails due to error at line 3
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Compilation fails due to error at line 4
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Length of this array is 3
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Will produce output a true
Questão 39
Responda
-
Got the Test Exception<br> Inside finally block
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Inside finally block
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Got the Test Exception
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Compilation fails
Questão 40
Responda
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Caught base class exception
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Caught derived class exception
-
Compiler error because derived is not throwable
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Compiler error because base class exception is caught before derived class
Questão 41
Questão
What is the output of the following code segment? <br>
Responda
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A
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B
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C
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D or lower
Questão 42
Questão
What are the values of I and product after this code is executed? <br>
Responda
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9 and 366
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9 and 336
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8 and 42
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8 and 336
Questão 43
Questão
What is the output of the following code fragment? <br>
Responda
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Error
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2 times Hello
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3 times Hello
-
No output will be produced
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