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Explain The Methods of java.lang.Object?
java.lang.Object gives a number of methods that are general to all objects. toString() is the most general such method. Because the default toString() method only generates the name of the class, you should override it in all classes you describe.
• public Object() • public final Class getClass() • public int hashCode() • public boolean equals(Object obj) • protected Object clone() throws CloneNotSupportedException • public String toString() • public final void notify() • public final void notifyAll() • public final void wait(long timeout) throws InterruptedException • public final void wait(long timeout, int nanoseconds) throws InterruptedException • public final void wait() throws InterruptedException • protected void finalize() throws Throwable
Difference between HashMap and Hash table HashMap: It allow us to have null values and also one null key It is Unsynchronized. Iterator in HashMap is Fail-Safe.
what is thread?
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Java Programming 1. Discuss any five buzz words in Java. 2. Describe exception classes and also explain common exceptions in java. 3. Describe primitive and abstract data
Im not in the line of computer science.But i would like to have some knowledge about the computer language "JAVA".I aldredy learns the computer languages "C,C++".So kindly help me
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