Why null value is used in string?
What is the java idl system?
Is an array a vector?
Is arraylist a class in java?
What is floating data type?
How many types of literals are there in JAVA?
what is the difference between static block and static method
Is string serializable in java?
What is inheritance?
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Write a code to show a static variable?
What is the synonym of framework?
Why array is used in java?
What are different type of access modifiers?