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simple calculator program in java Programming language GUI. a simple calculator to add, subtract, multiply and divide using switch and break statement.uses arithmetic operator
+, -, *, / and performs the calculation then display the result
setText() method to display the data.
Integer.parseInt() method will throw a “NumberFormatException” error if the String provided is not a proper number.
num1 term is to accept the first number entered, whereas the num2 is to accept the second number stored. The variable result is used to store the output value.
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