sum.java

来自「this gives details of the network progra」· Java 代码 · 共 24 行

// Sum Java class
// This sample reads a bunch of integers entered as command line arguments
//   sums them up and prints the sum and average.

public class Sum {
    public static void main( String nums[] ) {

	// create an int array of the right size
	int[] ivals = new int[nums.length];

	// convert each string to integer
	for (int i=0;i<nums.length;i++) {
	    ivals[i]= Integer.parseInt(nums[i]);
	}
 	// sum everything up
	int total=0;
	for (int i=0;i<ivals.length;i++) {
	    total += ivals[i];
	}
	System.out.println("Sum is " + total);
    }

}