A Java method must match its definition and call in three ways: the method name must be identical, the number of parameters must be the same, and the types of parameters must also match. These criteria ensure the correct invocation of methods in Java programming.

1. What are the 3 ways a Java method must match with its definition and call?
Solution
The three ways are:
1. Name of the method must be exactly same in definition and call.
2. The number of variables mentioned in the function definition must be same as function call.
2.The type of variables mentioned in the function definition must be same as function call.