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Total Questions : 25 | Page 3 of 3 pages
Question 21. What will be the output after the following program is compiled and executed?public class Test{ public static void main(String args[]){ int x = 10; x = myMethod(x--); System.out.print(x); } static int myMethod(final int x){ return x--; }}
  1.    The program will compile successfully and display 10 as output.
  2.    The program will lead to runtime error.
  3.    The will compile successfully and display 9 as output.
  4.    None of these
  5.    The program will lead to compilation error.
 Discuss Question
Answer: Option E. -> The program will lead to compilation error.
Question 22. What can directly access and change the value of the variable qusNo?package com.mypackage;public class Test{ private int qusNo = 100;}
  1.    Any class that extends Test.
  2.    Only the Test class.
  3.    Any class.
  4.    Any class in com.mypackage package.
  5.    None of these
 Discuss Question
Answer: Option B. -> Only the Test class.
Question 23. Determine output:class A{{System.out.print("b1 ");}public A(){System.out.print("b2 ");}}class B extends A{static{System.out.print("r1 ");}public B(){System.out.print("r2 ");}{System.out.print("r3 ");}static{System.out.print("r4 ");}}public class Test extends B{public static void main(String[] args){System.out.print("pre ");new Test();System.out.println("post ");}}
  1.    r1 r4 pre b1 b2 post r3 r2
  2.    r1 r4 pre b1 b2 r3 r2 post
  3.    r1 r4 pre b1 b2 post
  4.    pre r1 r4 b1 b2 r2 r3 post
  5.    Compilation fail
 Discuss Question
Answer: Option B. -> r1 r4 pre b1 b2 r3 r2 post
Question 24. What will be the output for the below code?static public class Test{ public static void main(String[] args){ char c = 'a'; switch(c){ case 65 : System.out.println("one");break; case 'a': System.out.println("two");break; case 3 : System.out.println("three"); } }}
  1.    Compile error - Illegal modifier for the class Test; only public, abstract & final are permitted.
  2.    two
  3.    one
  4.    None of these
  5.    Compile error - char can't be permitted in switch statement.
 Discuss Question
Answer: Option A. -> Compile error - Illegal modifier for the class Test; only public, abstract & final are permitted.
Question 25. What will be the output after compiling and running following program code?public class Test{ static int a; public static void main(String[] args){ System.out.println("one"); call(1); } static void call(int a){ this.a=10; System.out.println("two "+a); }}
  1.    one two 1
  2.    one two 0
  3.    Compile time error.
  4.    None of these
  5.    one two 10
 Discuss Question
Answer: Option C. -> Compile time error.

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