What is difference between filereader and bufferedreader?
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why abstract class does not have object creation
Is age a discrete variable?
What is difference between wait and notify in java?
What method is used to specify a container's layout in java programming?
Is java free for commercial?
all are saying java doesn't support multiple inheritance but by default Object class is super class for all the user defined classes and we can extend atmost one class so each class can extend more than one class so java supports multiple inheritance?i am confused with this,pls any one explain me.
what is the main difference between string and stringbuffer? can you explain it with program?
What is Collection interface?
What is not thread safe?
Is it possible for a yielded thread to get chance for its execution again?
what is multitherading
Give a practical example of singleton class usage?