dddjjjsicnu的博客

JFrame类:常用方法:JFrame();JFrame(String title);//构造方法void setTitle(String title);void setSize(int weight,int height);void setSize(Dimension d);void setVisible(boolean);//默认为falsevoid setIconImage(...

创建数组的常见三种方法int[] array2 = new int[10];int[] array3 = {10, 9, 8, 7, 6, 5, 4, 3, 2 ,1};int[] array = new int[] {10,9,8,7,6,5,4,3,2,1};不等二维长数组java中的二维数组长度可以不等int[][] array = new int[3][];for(int ...