Blackbuck Insights Interview Questions and Answers

Java programs for strings, palindrome, etc.

• Use the StringBuilder class to manipulate strings efficiently.

• To check if a string is a palindrome, compare it with its reverse.

• To count the occurrences of a substring in a string, use the indexOf method in a loop.

• To split a string into an array of substrings, use the split method.

Software testing techniques involve various methods to ensure the quality and functionality of software.

• Black box testing: Testing the functionality of the software without knowing its internal code.

• White box testing: Testing the internal code and structure of the software.

• Regression testing: Testing to ensure that new code changes do not adversely affect existing functionality.

• Unit testing: Testing individual units or components of the software.

• Integration testing: Testing t...read more