If judgment, use int right, there was an error with string-CodePudding

Always can't find any questions, please answer

Code attached

 public static void main (String [] args) {
System. The out. Println (" please input the user name: "); 
Scanner sc=new Scanner(System.in); 
int i=sc.nextInt(); 

If (I==123) {
System. The out. Println (" please enter the password "); 
Int j=sc nextInt (); 
If (j==456) {
System. The out. Println (" login success "); 
} else {
System. The out. Println (" login failed "); 
} 
} else {
System. The out. Println (" username error "); 
} 


Sc. The close (); 
} 
Public static void main (String [] args) {
System. The out. Println (" please input the user name: "); 
Scanner sc=new Scanner(System.in); 
The String I=sc. NextInt (); 

If (I==123) {
System. The out. Println (" please enter the password "); 
String j=sc nextInt (); 
If (j==456) {
System. The out. Println (" login success "); 
} else {
System. The out. Println (" login failed "); 
} 
} else {
System. The out. Println (" username error "); 
} 


Sc. The close (); 
}

CodePudding user response:

Java String can only use the equals method determine content inside,