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Comparing string object

It is often necessary to compare strings to see if they are the same, or to see which comes first in alphabetical order. It would be nice if we could use the comparison operators, like == and >, but we can’t. To compare Strings, we have to use the equals and compareTo methods. Syntax for using method compareTo : str1.compareTo(str2); The…

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User Input from Keyboard

Accepting keyboard input in Java is done using a Scanner object. Consider the following statement Scanner console = new Scanner(System.in) This statement declares a reference variable named console. The Scanner object is associated with standard input device (System.in). To get input from keyboard, you can call methods of Scanner class. For example in following statment…

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