✏️ Explanatory Question

(vi)
(a) Name one String method which results in a positive integer only.
(b) Name one String method which results in a character.

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📘 Detailed Answer
🟢 Easy
← Previous (v) Consider the following Java program and determine its output: class report { int a, b; report() { a = 10; b = 15; } report(int x, int y) { a = x; b = y; } void print() { System.out.println(a * b); } public static void main(String[] args) { report r = new report(); r.print(); report p = new report(4, 5); p.print(); } }
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Answer with Explanation

Solution:

(a) A String method that results in a positive integer only:
length() → This method returns the length of the string as a positive integer.
Example:


String str = "Hello";
System.out.println(str.length()); // Output: 5

(b) A String method that results in a character:
charAt(int index) → This method returns the character at the specified index.
Example:


String str = "Hello";
System.out.println(str.charAt(1)); // Output: 'e'
← Previous (v) Consider the following Java program and determine its output: class report { int a, b; report() { a = 10; b = 15; } report(int x, int y) { a = x; b = y; } void print() { System.out.println(a * b); } public static void main(String[] args) { report r = new report(); r.print(); report p = new report(4, 5); p.print(); } }