import java.awt.*; import javax.swing.JFrame; public class JumpChess extends JFrame{ public JumpChess(){ setSize(800,800); setVisible(true); setBackground(Color.pink); } public void paint(Graphics g){ g.setColor(Color.gray); int x=290; int y=140; int x1=330; for(int row=1;row<13;row++){ g.drawLine(x,y,x1,y); x=x-20; x1=x1+20; y=y+30; System.out.println(); } int x2=110; int y2=230; int x3=90; int y3=260; for(int row=1;row<13;row++){ g.drawLine(x2,y2,x3,y3); x2=x2+40; x3=x3+20; y3=y3+30; System.out.println(); } int x4=510; int y4=230; int x5=530; int y5=260; for(int row=1;row<13;row++){ g.drawLine(x4,y4,x5,y5); x4=x4-40; x5=x5-20; y5=y5+30; System.out.println(); } int x6=510; 

int y6=470; int x7=530; int y7=440; for(int row=1;row<13;row++){ g.drawLine(x6,y6,x7,y7); x6=x6-40; x7=x7-20; y7=y7-30; System.out.println(); } int x8=110; int y8=470; int x9=90; int y9=440; for(int row=1;row<13;row++){ g.drawLine(x8,y8,x9,y9); x8=x8+40; x9=x9+20; y9=y9-30; System.out.println(); } int x10=290; int y10=560; int x11=330; for(int row=1;row<13;row++){ if(row<=4){ g.setColor(Color.red); } else{ g.setColor(Color.blue); } g.drawOval(a,b,20,20); g.fillOval(a,b,20,20); a=a+40; g.drawLine(x10,y10,x11,y10); x10=x10-20; x11=x11+20; y10=y10-30; System.out.println(); } int a=300; int b=100; for(int row=1;row<10;row++){ for(int column=1;column<=row;column++){ 

} a=300-20*row; b=b+30; System.out.println(); } int a1=300; int b1=580; for(int row=9;row>1;row--){ for(int column=9;column>=row;column--){ if(row>=5){ g.setColor(Color.red); } else{ g.setColor(Color.blue); } g.drawOval(a1,b1,20,20); g.fillOval(a1,b1,20,20); a1=a1+40; for(int column=5;column>=row;column--){ } a1=300-20*(10-row); b1=b1-30; System.out.println(); } int a2=120; int b2=310; for(int row=5;row>1;row--){ g.setColor(Color.yellow); g.drawOval(a2,b2,20,20); g.fillOval(a2,b2,20,20); a2=a2+40; } a2=120-20*(6-row); b2=b2-30; System.out.println(); } int a3=480; int b3=310; for(int row=5;row>1;row--){ for(int column=5;column>=row;column--){ g.setColor(Color.green); g.drawOval(a3,b3,20,20); g.fillOval(a3,b3,20,20); a3=a3+40; 

for(int column=1;column<=row;column++){ } a3=480-20*(6-row); b3=b3-30; System.out.println(); } int a4=120; int b4=370; for(int row=1;row<5;row++){ g.setColor(Color.green); g.drawOval(a4,b4,20,20); g.fillOval(a4,b4,20,20); a4=a4+40; } a4=120-20*row; b4=b4+30; System.out.println(); } int a5=480; int b5=370; for(int row=1;row<5;row++){ for(int column=1;column<=row;column++){ g.setColor(Color.yellow); g.drawOval(a5,b5,20,20); g.fillOval(a5,b5,20,20); a5=a5+40; } a5=480-20*row; b5=b5+30; System.out.println(); } public static void main(String[] args) { JumpChess a=new JumpChess(); a.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); } } } 截图：