What does a boolean method return?
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Explain the concept of polymorphism with examples?
what is the main differene between synchronize() method and Synchronize{}block?
Differentiate between a constructor and a method? Can we mark constructors final?
What is an array length?
What is final method?
os is developed in c no java is more secured then c na why dont the os developed is developed using java
What is a null check?
What is currentthread()?
what is mean by thread lock?
What are internal and external variables?
What do you understand by copy constructor in java?
Why does java have two ways to create child threads? Which way is better?