Learn Core JAVA in Easy Steps [Page 5]

Conditional Constructs :-

1. Switch
2. If
3. If Else
4. If Else If ladder
5. nested If

Looping :-

1. While
2. Do While
3. For
4. For each

--> Switch :=

switch(expression){

case 1:

statements;break;

case 2:

statements;break;

.... 

default:

statements;

}

--> If :=

if(condition){

statements;

}

--> If Else :=

if(condition)

{}

else

{}

--> If - Else - If :=

if(){

}else if(){

}else{

}

--> Nested If :=

if(){

if()

{}

}

--> While :=

while(condition){
}

--> Do While :=

do{}while(condition)

--> For :=

for(start, end, condition){} 

--> For Each :=

for(String welcome:array)

System.out.println(welcome);