Java Varargs 可变参数用法详解

package com.ossez.lang.tutorial.usecases;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * variable arguments use case
 */
public class VarargsCase {
  private static final Logger logger = LoggerFactory.getLogger(VarargsCase.class);

  /**
   * sumVarargs
   *
   * @param intArrays
   * @return
   */
  static int sumVarargs(int... intArrays) {
    int sum, i;
    sum = 0;
    for (i = 0; i < intArrays.length; i++) {
      sum += intArrays[i];
    }
    return (sum);
  }

  /**
   * Main Function
   *
   * @param args
   */
  public static void main(String args[]) {
    int sum = 0;
    sum = sumVarargs(new int[]{10, 12, 33, 7});
    logger.debug("The Sum of the arrays: {}", sum);
  }
}

public class Main {
  static int sumvarargs(int... intArrays){
    int sum, i;
    sum=0;
    for(i=0; i< intArrays.length; i++) {
      sum += intArrays[i];
    }
    return(sum);
  }
  public static void main(String args[]){
    int sum=0;
    sum = sumvarargs(new int[]{10,12,33});
    System.out.println("数字相加之和为: " + sum);
  }
}