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Core Java Interview questions


Total available count: 646
Subject - Java Technologies
Subsubject - Core Java
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What is the return type of concat(String str) method of java.lang.String class in java?

The return type of concat(String str) method is 'String'.

 



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Next 5 interview question(s)

1

What is the return type of isEmpty() method of java.lang.String class in java?
2

What is the return type of equals(Object another) method of java.lang.String class in java?
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What is the return type of join(CharSequence delimiter, CharSequence... elements) method of java.lang.String class in java?
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What is the return type of contains(CharSequence s) method of java.lang.String class in java?
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What is the return type of substring(int beginIndex, int endIndex) method of java.lang.String class in java?