Question

What will be the output of the following codes: [4]

String s1=”JAVA APPLICATIONS”;

String s2=”COMPUTER APPLICATIONS”;

System.out.println(s1.substring(0,5));

System.out.println(s1.indexOf(‘P’)+ s2.indexOf(‘P’));

System.out.println(s1.repalce(s.charAt(3),’*’));

System.out.println(s1.comapreTo(s2));
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Answer 1

JAVA

5 3

J*V* *PPLIC*TIONS

6

Answer 2

Output:

JAVA

9

J*V* *PPLIC*TIONS

7

Explanation:

As Index 0 to 4 in s1 is "JAVA".

As Index of 'P' in s1 is 6 and Index of 'P' in s2 is 3.

> 6 + 3

> 9

Replace 'A' with '*'.

> J*V* *PPLIC*TIONS

Index differs at Index 0 so,

> 'J' - 'C'

> 74 - 67

> 7