1 //程序员：zy
2017.10.7
2 import java.util.Scanner;
3 public class L {
4
5 public static void main(String[] args) {
6 System.out.println("5+5="+5+5);
7
8 int a=3,b;
9 b=a++;
10 System.out.println("a="+a+",b="+b);
11
12 short c=3;
13 c=(short) (c+4);
14 System.out.println("c="+c);
15
16 short d=3;
17 d+=4;
18 System.out.println("d="+d);
19
20 System.out.println(6&3);
21 System.out.println(6|3);
22 System.out.println(6^3);
23 System.out.println(3<<2);
24 System.out.println(3>>1);
25
26 int e=0,f;
27 f=e>1?100:200;
28 System.out.println("f="+f);
29
30 @SuppressWarnings("resource")
31 Scanner input=new Scanner(System.in);
32 int g,h;
33 System.out.println("Enter the g ");
34 g=input.nextInt();
35 System.out.println("Enter the h ");
36 h=input.nextInt();
37 h=g>h?g:h;
38 System.out.println("The larger of the two numbers is"+h);
39
40 @SuppressWarnings("resource")
41 Scanner input1=new Scanner(System.in);
42 int x,y,z;
43 System.out.println("Enter the x ");
44 x=input1.nextInt();
45 System.out.println("Enter the y ");
46 y=input1.nextInt();
47 System.out.println("Enter the z ");
48 z=input1.nextInt();
49 y=x>y?x:y;
50 z=y>z?y:z;
51 System.out.println("The largest of the three numbers is"+ z);
52
53 @SuppressWarnings("resource")
54 Scanner input11=new Scanner(System.in);
55 int month;
56 System.out.println("Enter the month ");
57 month=input11.nextInt();
58 if(month>=3&&month<=5){
59 System.out.println("This month is spring");
60 }
61 else if(month>=6&&month<=8){
62 System.out.println("This month is summer");
63 }
64 else if(month>=9&&month<=11){
65 System.out.println("This month is autumn");
66 }
67 else if(month==12){
68 System.out.println("This month is winter");
69 }
70 else if(month>=1&&month<=2){
71 System.out.println("This month is winter");
72 }
73 else{
74 System.out.println("Error!");
75 }
76
77 @SuppressWarnings("resource")
78 Scanner input111=new Scanner(System.in);
79 int month1;
80 System.out.println("Enter the month ");
81 month1=input111.nextInt();
82 switch (month1)
83 {
84 case 1: case 2: case 12:
85 System.out.println("This month is winter");
86 break;
87 case 3: case 4: case 5:
88 System.out.println("This month is spring");
89 break;
90 case 6: case 7: case 8:
91 System.out.println("This month is summer");
92 break;
93 case 9: case 10: case 11:
94 System.out.println("This month is autumn");
95 break;
96 default:
97 System.out.println("Error!");
98 break;
99 }
100
101 int i=1;
102 do{
103 System.out.println("i="+i);
104 i++;
105 }while(i<1);
106
107 int j=1;
108 while(j<1){
109 System.out.println("j="+j);
110 j++;
111 }
112
113 for(int k=1;k<3;k++)
114 {
115 System.out.println("k="+k);
116 }
117
118 int q=1;
119 for(System.out.println("a");q<3;System.out.println("c"))
120 {
121 System.out.println("d");
122 q++;
123 }
124 }
125 }
