why are wait(), notify() and notifyall() methods defined in the object class? : Java thread
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Differentiate between stringbuffer and stringbuilder in java.
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I Have a class abstract with one abstract method, so that method should override in the subclass, but i dont want to override, if i am not override what will happen? If compilation will occur then i dont want to give compilation error, then what we need to do??? See the sample program. public abstract class AbstractExample { public abstract void sampleMethod(); } public class AbstractExampleImple extends AbstractExample { }
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what is the main difference between string and stringbuffer? can you explain it with program?