How many Java environments are there?
There are two java environments
• JDK – Java development environment
• JRE – Java runtime environment
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Can a java program have 2 main methods?
using equals method overriding which objects are compared?i.e same class objects or other class objects?Explain me.
What is an empirical question?
What is hashmap in java?
How do you use find and replace?
What is class forname used for?
How do I start learning java?
Are the equals() and hashCode() protected methods of object class?
What is the difference between an interface and an abstract class?
What is lastindexof in java?
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How do you declare a string variable?