Interview Questions and Answers for 'Highradius' | Search Interview Question - javasearch.buggybread.com
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Interview Questions and Answers for 'Highradius' - 2 question(s) found
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Usually asked to entry level software developers.
Q1.
Write a program to swap two variables without using third
Core Java
Ans. public static void main(String[] args) {
int num1 = 1;
int num2 = 2;
num1 = num1^num2;
num2 = num1^num2;
num1 = num1^num2;
System.out.print("num1 = " + num1 +", num2 = "+num2);
}
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:
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 code  coding
Asked in 37 Companies
basic
 
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Q2.
Write a method to check if input String is Palindrome?
Core Java
Ans. private static boolean isPalindrome(String str) {
if (str == null)
return false;
StringBuilder strBuilder = new StringBuilder(str);
strBuilder.reverse();
return strBuilder.toString().equals(str);
}
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 java   string   stringbuilder   stringbuilder   string class   code   palindrome
Asked in 38 Companies
Basic
 
frequent
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