How to sort an array from smallest to largest java?
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Is 0 true or false?
What is indexof?
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Suppose i have two threads t1 and t2 are running.How the main thread will know that the two threads t1,t2 execution has completed?
Does java trim remove newline?
Can we sort hashset in java?
class A{ some variables; public void a()throws Excepion1,Exception2{....} } class B extends A{ variables... public void a()throws E2,E3{.....} } Qns: here override of methods occurs or not,ore else wil give any compilation error or run properly..plz tell me briefly whts happening with the above codes....
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what is an object class?Explain its methods?