Given:
Consider the following class:
1. package com.udayan.oca;
2.
3. public class Employee {
4. public int passportNo; //line 2
5. }
Which of the following is the correct way to make the variable 'passportNo' read only for any other class?
Below is the code of Test.java file:
1. package com.udayan.oca;
2.
3. import java.util.ArrayList;
4. import java.util.List;
5.
6. public class Test {
7. public static void main(String [] args) {
8. List
9.
10. list.add(27);
11. list.add(27);
12.
13. list.add(new Integer(27));
14. list.add(new Integer(27));
15.
16. System.out.println(list.get(0) == list.get(1));
17. System.out.println(list.get(2) == list.get(3));
18. }
19. }
What will be the result of compiling and executing Test class?
Consider below code of Test.java file:
1. package com.sampleproject.oca;
2.
3. public class Test {
4. public static void main(String[] args) {
5. /*INSERT*/ x = 7, y = 200;
6. System.out.println(String.valueOf(x + y).length());
7. }
8. }
Which of the following options, if used to replace /*INSERT*/, will compile successfully and on execution will print 3 on to the console?
Select 3 options.
Given the code fragment:
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