In simple helloworld program what happens in JVM before printing out the result "Hello World"
What would be the object size of class without a member ( i.e. no method and no variable) is created?Explanation : For sure, Object size will not zero as we print the object on console, hash code get printed,
Latest Answer: A single array denotes only row data but two dimentional array denotes the data in the form of rows and colums. ...
B'coz they can run with the help of different browsers...
Latest Answer: Applet program is executed by the browser not using the Java command, so main method is useless. ...
I want to read and write data from excel sheet
Latest Answer: String s="10";int a= Integer.parseInt(s); //Integer.parseInt() method is used to convert str to int ...
How GC (Garbage Collector) knows the objects reference is unused.Whether GC removes the unused object Parmanently or it maintains something.
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