If(condition/conditions) { Statement 1 Statement 2 . . . } The two curly braces form a block,which is necessary when more than one statement has to be executed with respect to the condition. Data types tells the compiler the type of value to be stored in a variable. It also indicates the amount of memory space to be allocated . Different types of variable's are used to use different type of data E.g--- numeric data type --; int,double, float,long etc Non numeric--- arrays,char, String etc
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