JAVA exercises,

JAVA exercises,

1.

 

Import java. util. collections;

Public class T {

Public static void main (String [] args ){

System. out. println ("5 + 5 =" + 5 + 5 );
}
}

2.

(1)

Import java. util. collections;
Public class G {
Public static void main (String [] args ){

Int a = 3, B;

B = a ++;

Sop ("a =" + a + ", B =" + B );

　　Int a = 3, B;

　　B = ++;

　　Sop ("a =" + a + ", B =" + B );

}
}

(2 ).

Public class H
{
Public static void main (String [] args ){
Int a = 3, B;
B = ++;
System. out. println ("a =" + a + ", B =" + B );
}

}

3.

 

 

Import java. util. collections;
Public class I {
Public static void main (String [] args ){
Short s = 3;
S = s + 4;
Sop ("s =" + s );
Short s = 3;
S + = 4;
Sop ("s =" + s );
}
}

4.

 

Import java. util. collections;
Public class J {
Public static void main (String [] args ){
Sop (6 & 3 );
Sop (6 | 3 );
Sop (6 ^ 3 );
Sop (3 <2 );
Sop (3> 1 );
}
}

5.

 

Import java. util. collections;
Public class K {
Public static void main (String [] args ){
Int x = 0, y;
Y = x> 1? 100:200;
Sop ("y =" + y );
}
}

(1). Output the larger integers in two integers

 

Public class M
{
Public static void main (String [] args ){
Int a = 1, B = 0, max;
Max = a> B? A: B;
System. out. println ("max =" + );
}

}

(2) output the largest integer among the three Integers

 

Public class M2
{
Public static void main (String [] args ){
Int a = 1, B = 0, c = 3, max;
Max = a> B? A: B;
Max = c> max? C: max;
System. out. println ("max =" + c );
}

}

6.

 

Import java. util. collections;

Public class N {
Public static void main (String [] args ){
Int weekDay = 3;
If (weekDay = 1 ){
Sop ("Today is Monday ");
}
Else if (weekDay = 2 ){
Sop ("Today is Tuesday ");
}
Else if (weekDay = 3 ){
Sop ("Today is Wednesday ");
}
Else {
Sop ("No such day ");
}
Int month = 8;
}
}

(2) Use the associated if statement

Public class O
{
Public static void main (String [] args ){
Int weekDay = 3;
If (weekDay = 1 ){
System. out. println ("Today is Monday ");
} Else if (weekDay = 2 ){
System. out. println ("Today is Tuesday ");
} Else if (weekDay = 3 ){
System. out. println ("Today is Wednesday ");
} Else if (weekDay = 4 ){
System. out. println ("Today is Thursday ");
} Else if (weekDay = 5 ){
System. out. println ("Today is Friday ");
} Else if (weekDay = 6 ){
System. out. println ("Today is Saturday ");
} Else if (weekDay = 7 ){
System. out. println ("Today is August 7 ");
}
Else {
System. out. println ("No such day ");
}
}
}

Exercise.

Public class P
{
Public static void main (String [] args ){
Int month = 3;
If (month = 1 ){
System. out. println ("this month is winter ");
}
If (month = 2 ){
System. out. println ("this month is winter ");
}
If (month = 3 ){
System. out. println ("this month is Spring ");
}
If (month = 4 ){
System. out. println ("this month is Spring ");
}
If (month = 5 ){
System. out. println ("this month is Spring ");
}
If (month = 6 ){
System. out. println ("this month is summer ");
}
If (month = 7 ){
System. out. println ("this month is summer ");
}
If (month = 8 ){
System. out. println ("this month is summer ");
}
If (month = 9 ){
System. out. println ("this month is Autumn ");
}
If (month = 10 ){
System. out. println ("this month is Autumn ");
}
If (month = 11 ){
System. out. println ("this month is Autumn ");
}
If (month = 12 ){
System. out. println ("this month is winter ");
}

System. out. println (month );
}

}

7.

Import java. util. collections;
Public class CH {
Public static void main (String [] args ){
Int a = 84, B = 3;
Char option = '% ';
Switch (option)
{
Case '+ ':
System. out. println ("a + B =" + (a + B ));
Break;
Case '-':
System. out. println ("a-B =" + (a-B ));
Break;
Case '*':
System. out. println ("a * B =" + (a * B ));
Break;
Case '/':
System. out. println ("a/B =" + (a/B ));
Break;
Case '% ':
System. out. println ("a % B =" + (a % B ));
Break;
Default:
System. out. println ("a % B =" + (a % B ));
Break;
}
}
}

8.

Import java. util. collections;
Public class CH {
Public static void main (String [] args ){
Int x = 1;
Do {
Sop ("x =" + x );
X ++;
}
While (x <1 );
}
}

Import java. util. collections;
Public class CH {
Public static void main (String [] args ){
Int y = 1;
While (y <1 ){
Sop ("y =" + y );
Y ++;
}
}
}

9.

Import java. util. collections;
Public class CH {
Public static void main (String [] args ){
For (int x = 1; x <3; x ++)
{
Sop ("x =" + x );
}
}
}

9.

Import java. util. collections;

Public class CH {
Public static void main (String [] args ){
For (sop ("a"); sop ("B"); sop ("c ")
{
Sop ("d ");
}
}
}