Question: java a) Exercise 1: Write a Java program to check whether a string is a valid password. Password rules: A password must have at least

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a) Exercise 1: Write a Java program to check whether a string is a valid password. Password rules: A password must have at least 8 characters. A password consists of only letters and digits. A password must contain at least one symbol. A password must contain at least two digits. c) Exercise 3: Write a Java program to count all words in a string. Read the string from the keyboard

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