What is the output of this program?   String str = "abc456"; int m = 0; while ( m < 6 ) {   System.out.print(Character.toUpperCase(str.charAt(m)));    m++; } 1. abc456 2. ABC456 3. ABC 4. 456   Please answer the correct option and its reasoning.

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
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What is the output of this program?

 

String str = "abc456";

int m = 0;

while ( m < 6 )

{

  System.out.print(Character.toUpperCase(str.charAt(m)));

   m++;

}

1. abc456
2. ABC456
3. ABC
4. 456
 
Please answer the correct option and its reasoning. 
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