What is an error in java?

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What is the importance of static variable?

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What are the 4 versions of java?

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hi to all,i have a question on static block. i saved below as test.java class test extends a { static { System.out.println("test static"); } public static void main(String []dfs) { } } class a { static { System.out.println("a static"); } public static void main(String []asdf) { } } o/p as static test static but if i change base class as test class then class test { static { System.out.println("test static"); } public static void main(String []dfs) { } } class a extends test { static { System.out.println("a static"); } public static void main(String []asdf) { } } o/p test static explain me why "a static" wasn't print in second code when it is in derived class

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Explain the features of interfaces in java?

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Can we use string in the switch case?

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What is difference between classpath and path variables in java?

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Why are generics used?

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What is set string?

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What is the use of Getters and Setters method ?

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public class BatchTest { public static void main(String[] args) { Runtime run = Runtime.getRuntime(); try { Process p = run.exec("cmd start /c D:/test.bat"); System.out.println(p.exitValue()); } catch (Exception e) { e.printStackTrace(); } System.out.println("FINISHED"); } }

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Can a private method of a superclass be declared within a subclass?

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