Question: Write a program named EvaluateSimpleExpressions.java that will evaluate simple expressions such as 17 + 3 and 3.14159 * 4.7. The expressions are to be read

Write a program named EvaluateSimpleExpressions.java that will evaluate simple expressions such as 17 + 3 and 3.14159 * 4.7. The expressions are to be read from a data file. The data file contains N lines, each line represents a simple expression, which means each line always consists of a number, followed by an operator, followed by another number. The operators that are allowed are +, -, *, and /. The program should read and evaluate an expression, print its value in the format as shown below: 2 + 2 = 4 3.14 * 2 = 6.28 (program requires switch structure)

annotations along with the code help me understand the purpose and the way it is used!

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