Limitations of Arrays: Arrays are fixed in size. need to estimate the size of an array while declaration itself. once array created we can not increase the size... read more ?

Exception and Error both are sub classes of java.lang.Throwable class. We can handle Exceptions at runtime but Errors we can not handle. (adsbygoogle = window.adsbygoogle || []).push({}); Exceptions... read more ?

YES StringBuffer and StringBuilder classes not overriding equals()method and haschcode() method. Before discussing about why these classes are not overriding equas() and hashcde() methods lets see the usage... read more ?

1.Can we define a class without main method? No, you can’t run java class without main method.  Before Java 7, you can run java class by using static... read more ?

Its recommended to learn about life cycle of Thread before you start programming on Thread. Threads exists in different type of states. (adsbygoogle = window.adsbygoogle || []).push({}); Thread... read more ?

throw keyword: throw keyword used to throw user defined exceptions.(we can throw predefined exception too) If we are having our own validations in our code we can use... read more ?