Why string is immutable with example?
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What are 3 boolean operators?
The following program is Overloading or Overriding? public class PolymorphismEx { public int sampleMethod(int a) { return a; } public String sampleMethod(int a) { return "Is it Overloading or Overriding???"; } }
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Explain about map interface in java?
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What will happen if there is a default method conflict as mentioned above and we have specified the same signature method in the base class instead of overriding in the existing class ?
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How objects of a class are created if no constructor is defined in the class?
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