Java Process Control statements
Public class Demo2 {
Public static void main (String [] args ){
// If statement usage: mostly used for range judgment
Int x = 3;
Int y = 10;
System. out. println (=== comparison start === );
If (x> y ){
System. out. println (x> y );
} Else {
System. out. println (x }
System. out. println (=== comparison ended === );
// Calculate the maximum value of the Three-object Operator
Int max = 0;
Int x1 = 3;
Int y1 = 10;
Max = x1> y1? X1: y1;
System. out. println (=== the maximum value is + max );
// If, else if, judgment statement
Int x2 = 3;
If (x2 = 1 ){
System. out. println (the value of x2 is 1 );
} Else if (x2 = 2 ){
System. out. println (the value of x2 is 2 );
} Else if (x2 = 3 ){
System. out. println (the value of x2 is 3 );
} Else {
System. out. println (no matching results );
}
// Switch statement: Four arithmetic operations to determine specific situations
Int x3 = 6;
Int y3 = 3;
Char character = '+ ';
Switch (switches ){
Case '+ ':{
System. out. println (x3 + y3 = + (x3 + y3 ));
Break;
}
Case '-':{
System. out. println (x3-y3 = + (x3-y3 ));
Break;
}
Case '*':{
System. out. println (x3 * y3 = + (x3 * y3 ));
Break;
}
Case '/':{
System. out. println (x3/y3 = + (x3/y3 ));
Break;
}
Default :{
System. out. println (calculation operation unavailable );
Break;
}
}
// Use the while statement
Int x4 = 1;
Int sum = 0;
While (x4 <= 10 ){
Sum + = x4;
X4 ++;
}
System. out. println (the sum from 1 to 10: + sum );
System. out. println (=== use do... while to write = );
Int x5 = 1;
Do {
Sum + = x5;
X5 ++;
}
While (x5 <= 10 );
System. out. println (do... while: sum = + sum );
// Process control statement: for Loop
Int sum1 = 0;
For (int x6 = 0; x6 <= 10; x6 ++ ){
Sum1 + = x6;
}
System. out. println (for statement: sum1 = + sum1 );
System. out. println (=== double for loop print multiplication table );
For (int i1 = 1; i1 <= 9; i1 ++ ){
System. out. println ();
For (int j = 1; j <= i1; j ++ ){
System. out. print (i1 + * + j + = + i1 * j + );
}
}
// Break: exit the current loop
System. out. println (======= );
For (int q = 0; q <10; q ++ ){
If (q = 3 ){
Break;
}
System. out. println (q = + q );
}
System. out. println (=== use continue to print the above case === );
For (int q1 = 0; q1 <= 4; q1 ++ ){
If (q1 = 3 ){
Break;
}
System. out. println (q1 = + q1 );
}
System. out. println (===use for loop print pyramid === );
For (int I = 0; I> 10; I ++ ){
System. out. println ();
For (int j = I; j <7; j ++ ){
System. out. print (*);
}
}
}
}