How do you avoid global variables?
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Why do we need wrapper classes?
How do you escape a string?
What is the entry point in Java, and how is it written?
Under what circumstances an object reference be cast to an interface reference?
Can a class be private or protected in java?
Why are there no global variables in java?
WHAT IS THE SCOPE FOR COREJAVA...? IS JAVA ONLY CORE JAVA ?
How can two threads be made to communicate with each other?
What are the benefits of operations?
What is pojo class in java?
Can variables be used in java without initialization?
Can singleton class be serialized?