Call java program shell script and pass parameters method

In order to facilitate run multiple java program, chose to write the script for unified management. The method of the brief transmission parameters.
To assume file.java transmission parameters,
. Step1 Mr. .class files need to:

javac Test.java

. Step2 is defined in the script parameters:

int_a=5
double_b=3.0
string_c=aaa

. Step3 arguments:

java Test $int_a $double_b $string_c

step4.file.java accept parameters

public static void main(String args[]) {
    if (args.length < 3) {
        System.out.println("error ");
    } else {
        a = Integer.valueOf(args[0]).intValue();
        b = Double.parseDouble(args[1]);
        c = args[2];
    }
}