package javalab;
public class CheckNumber {
public static void main(String agrs[]){
int x=10;
if (x%2==0)
System.out.println("x la so chan");
else
System.out.println("x la so le");
}
}
- ForDemo.java
package javalab;
public class ForDemo {
public static void main(String agrs[]){
int i=1,sum=0;
for(i=1;i<=10;i+=2)
sum+=i;
System.out.println("Sum of first five odd numbers is:"+sum);
}
}
- Minmang.java
package javalab;
/**
*Cho 1 dãy số tự nhiên,tìm và in ra 1 giá trị min của dãy này và tất cả các chỉ
* số ứng với giá trị min này
*/
public class Minmang {
public static void main(String agrs[]){
int []a={3,1,7,0,10};
int N=5,k,min;
min=a[0];
for(k=0;k<N;k++){
if (min>a[k])
min=a[k];
System.out.println("Gia tri nho nhat cua day la:"+min);
System.out.print("Vi tri cua so co gia tri min la:");
for(k=0;k<N;k++)
if(min==a[k])
System.out.print(k+" ");
}
}
}
- RelationalOp
package javalab;
public class RelationalOp {
public static void main(String agrs[]){
float a=10.0f;
double b=10.0;
if(a==b)
System.out.println("a and b are equal");
else
System.out.println("a and b are not equal");
}
}
- SXGD
- package javalab;
public class SXGD {
public static void main(String agrs[]){
int []a={3,1,7,0,10};
int N=5,k,j,temp;
for(k=0;k<N-1;k++){
for(j=k+1;j<N;j++){
if(a[k]<a[j]){
temp=a[j];
a[j]=a[k];
a[k]=temp;
}
}
}
for(k=0;k<N;k++){
System.out.println(a[k]+" ");
}
}
}
- SoNguyento
package javalab;
public class SoNguyento {
public static void main(String agrs[]){
int k=0,n,dem,j=0;
while(j<10){
k++;
dem=0;
for(n=2;n<=k;n++){
if(k%n==0){
dem++;
}
}
if(dem==1){
System.out.println("so nguyen to thu "+(j+1)+":"+k+" ");
j++;
}
}
}
}
- Solechiahet3
package javalab;
public class Solechiahet3 {
public static void main(String agrs[]){
int i;
for(i=1;i<100;i++){
if ((i%3==0) && (i%7==0))
System.out.print(i+" ");
}
}
}
- SwitchDemo
package javalab;
public class SwitchDemo {
public static void main(String agrs[]){
int day=6;
switch(day){
case 0:System.out.println("Sunday");
break;
case 1:System.out.println("Monday");
break;
case 2:System.out.println("Tuesday");
break;
case 3:System.out.println("Webnesday");
break;
case 4:System.out.println("Thursday");
break;
case 5:System.out.println("Friday");
break;
case 6:System.out.println("Satuday");
break;
default:System.out.println("Invalid day of week");
}
}
}
- Temp
package javalab;
public class Temp {
static int x=10;
public static void show(){
System.out.println(x);
}
public static void main(String args[]){
Temp t=new Temp();
t.show();
Temp t1=new Temp();
t1.x=20;
t1.show();
}
}
- USNT
package javalab;
public class USNT {
public static void main(String agrs[]){
int k,n,dem,N=1027;
for(k=1;k<=N;k++){
dem=0;
for(n=2;n<=k;n++){
if(k%n==0){
dem++;
}
}
if(dem==1&N%k==0){
System.out.println(k+"");
}
}
}
}
- WhileDemo
package javalab;
public class WhileDemo {
public static void main(String agrs[]){
int a=5,fact=1;
while(a>=1){
fact*=a;
a--;
}
System.out.println("The Factorial of 5 is:"+fact);
}
}