What is the method in java

#A Java method is a code block that can be called repeatedly to implement a specific function.

The definition of a method includes two parts: method header and method body. (Recommended learning: java course )

方法头{
具体的内容
}

Method header can consist of the method of method, the brackets and parameters after the name and name.

If the method header has parameters:

int but(int a,int b){
return a*b;
}

The method header without parameters:

int  but()
{
return 0;
}

Method body It consists of a pair of brackets and the content between the brackets. The content includes java statements and variable declarations (referring to local variables).

Such as:

int sum()
{
    int N;
    for(int n;n<=100;n++)
    {
        N=N+n;
    }
    return N;
}

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