Lambda body statements
Description
We can use statements such as break, continue,
return, and throw inside the body of a lambda expression.
We cannot use the jump statements to do non-local jump.
Example
The following code shows how to use break statement to exit a for loop in lambda expression.
import java.util.function.Function;
/* w ww . j av a 2s. c o m*/
public class Main {
public static void main(String[] argv) {
Function<String,String> func1 = y -> {
for(int i=0;i<10;i++){
System.out.println(i);
if(i == 4){
break;
}
}
return y + " from java2s.com" ;
};
System.out.println(func1.apply("hi"));
}
}
The code above generates the following result.
Example 2
We cannot use break statement in the lambda expression in order to jump out to a for loop outside lambda expression.
import java.util.function.Function;
/*w w w. jav a 2 s . c o m*/
public class Main {
public static void main(String[] argv) {
for(int i=0;i<10;i++){
System.out.println(i);
if(i == 4){
Function<String,String> func1 = y -> {
//break;
return y + " from java2s.com" ;
};
System.out.println(func1.apply("hi"));
}
}
}
}
The code above generates the following result.
