Differentiate between stringbuffer and string?

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What is variable in java?

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public class Test { public static void main(String[] args) { int countA = 0; int countB = 0; int countC = 0; int countD = 0; int countE = 0; int countF = 0; int countG = 0; int countH = 0; int countI = 0; int countJ = 0; int countK = 0; int countL = 0; int countM = 0; int countN = 0; int countO = 0; int countP = 0; int countQ = 0; int countR = 0; int countS = 0; int countT = 0; int countU = 0; int countV = 0; int countW = 0; int countX = 0; int countY = 0; int countZ = 0; } } Can anybody tell me any alternate solution(like loop or something) to automate this initialization process. Ex:- for(char chr='A';chr<='Z'; chr++) { (int) String "count"+chr = 0; }

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What is the different between get and post?

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What are wrapper classes?

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Differentiate between == and equals().

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What is the importance of main method in Java?

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do I need to use synchronized on setvalue(int)? : Java thread

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Does java support multi dimensional arrays ?

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What is jvm? How its run?

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How does list work in java?

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What is the difference between the final method and abstract method?

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