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Mutithreading
How synchronization can be done for multithreading environment without using the "synchronized" keyword?
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Abstract Class or Method
Can we make use of "this" keyword reference inside a abstract method or abstract class? Explain
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Find the Output
class A{ public static void main(String[] a){ System.out.print(String.valueOf(1)+String.valueOf(2)); String s1="s1"; String s2=s1.toString(); System.out.print(","+(s1==s2)); }}