Computer Applications
Give the output of the following program segment:
String a="10", b="20";
int x=Integer.parseInt(a);
int y=Integer.valueOf(b);
System.out.println(x+y);
System.out.println(a+b);
Related Questions
Assertion (A): Integer class can be used in the program without calling a package.
Reason (R): It belongs to the default package java.lang.
- Both Assertion (A) and Reason (R) are true and Reason (R) is a correct explanation of Assertion (A)
- Both Assertion (A) and Reason (R) are true and Reason (R) is not a correct explanation of Assertion(A)
- Assertion (A) is true and Reason (R) is false
- Assertion (A) is false and Reason (R) is true
Give the output of the following code:
String P = "20", Q ="19"; int a = Integer.parseInt(P); int b = Integer.valueOf(Q); System.out.println(a+""+b);Differentiate between boxing and unboxing.