True or False ___ 26. Java expression 10/4 evaluates to 2.5.   ___ 27. Java compiler does not ignore white spaces such as spaces, tabs, or blank lines in a Java program.   ___ 28. The same variable name(s) can be declared and used within different methods.   ___ 29. In Java, 3*'b'+1 is a valid expression.   ___30.  In Java x++ is equivalent to x=x+1.   ___ 31. In Java, int x=2.5; is a valid statemen

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Variables and Constant

Constants and variables are widely used in mathematical equations and expressions. They are also commonly found in the domain of programming, where each language has its own way to differentiate between a constant and a variable. Since they have all sorts of applications, knowing their differences is a good place to start.