Question: (JAVA) Write a Java definition for a method that does the following, without calling any other method. Validate parameter: A. Accept an integer parameter, length,

(JAVA) Write a Java definition for a method that does the following, without calling any other method. Validate parameter:

A. Accept an integer parameter, length, and display a line of that many hyphens.

B. Accept three integer values as parameters and return the smallest one.

C. Take two integer parameters, a and b, and return the sum of all integers from a to b, if a greater than or equal to b; otherwise 0.

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