Give a java method and tell me what it does and provide an object or two that us

Question

Give a java method and tell me what it does and provide an object or two that uses that method . No need to write a code just an simple example
For example : one method can be Math.sqrt(x) which is a function the returns the square root of a number: Math.sqrt(9); answ:3
Another example can be nextDouble...etc
Give another example of a java method and what it does and provide an object or two that uses that method ,please keep it simple like the examples I ve given and no need to write a whole code Give a java method and tell me what it does and provide an object or two that uses that method . No need to write a code just an simple example
For example : one method can be Math.sqrt(x) which is a function the returns the square root of a number: Math.sqrt(9); answ:3
Another example can be nextDouble...etc
Give another example of a java method and what it does and provide an object or two that uses that method ,please keep it simple like the examples I ve given and no need to write a whole code
For example : one method can be Math.sqrt(x) which is a function the returns the square root of a number: Math.sqrt(9); answ:3
Another example can be nextDouble...etc
Give another example of a java method and what it does and provide an object or two that uses that method ,please keep it simple like the examples I ve given and no need to write a whole code

Explanation / Answer

so str.length() returns 9

__________________

2)

String str="difficult";

String str1=str.toUpperCase();

Here toUpperCase() method will convert the string into upper case letters.

so str.toUpperCase(); method returns "DIFFICULT"

________________Thank You

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