Midterm Lab exam $($Protected View$)-$ Word $($Unlicensed Product$)$

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$**$ Note: You must upload images of code and images of output of code.

Q$1$: Write a Java program that checks if a given number is a prime number or not. $($A prime number is a whole number greater than $1$ that is divisible by only $1$ and itself$)$ without using Scanner.

Q$2$: Write a Java program to find the maximum and minimum values in an array of integers.

Note: values of array don't take from user.

Q$3$: Write a Java program that takes two numbers as input from the user and calculates their sum, difference, product, and divide and Display the results to the user:

Q$4$: Write a Java program to read the contents of a text file named "input.txt$"$ that contains Hello with your name and display them on the console.