Java Interview Questions and Answers Can override static methods String immutable

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1. Can we override static methods of a class ?

We cannot override static methods. Static methods belong to a class and not to individual objects and are resolved at the time of compilation (not at runtime).Even if we try to override static method,we will not get an complitaion error,nor tihe mpact of overriding when running the code.

2. Is String a data type in java ?

String is not a primitive data type in java. When a string is created in java, it's actually an object of Java.Lang.String class that gets created. After creation of this string object, all built-in methods of String class can be used on the string object.

3. In the below example, how many String Objects are created ?

String s1="Java Interview";
String s2="I am C Expert";
String s3="Java Interview";

In the above example, two objects of Java.Lang.String class are created. s1 and s3 are references to same object.

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