在别处

/* ** BigIntegerDemo.java 2012-11-10 ** **/ import java.util.*; class BigInteger { int[] num; int len; //构造函数，把字符串转化为整型数组 BigInteger(String str){ this.len = str.length(); num = new int[str.le

/* ** ComplexDemo.java 2012-10-28 ** **/ import java.util.Scanner; class Complex{ double real,image; Complex(double real , double image){ this.real = real; this.image = image; } Compl

/* MatrixDemo.java 2012-11-7 */ import java.util.*; class Matrix{ int row , column; double[][] matrix; //构造函数 Matrix(double[][] matrix){ this.row = matrix.length; this.column = matrix[0].l