How do you check if a string contains only numeric digits?
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What is bubble sort in java?
Addition to previous section relative word 5th one was Putrid ans: rotten, also there was prob. in 1st section on bucket weight ans:10kg, also there was a prob. on train speed to find bridge length ans:800 mtrs.
whatis Home interface and Remoteinterface? with example?
What is queue in java?
If an application has multiple classes in it, is it okay to have a main method in more than one class?
Why we use static and synchronized in method for single thread model example: public static synchronized add(){}
I have 2 objects inside one object(vector). how can i serialize one of them. I dont want to serialize the second one
Give some features of interface?
What is the difference between hashset and treeset in java?
How do you check whether the list is empty or not in java?
What is the default value of local and global variables?
What is an escape character in java?