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ko-sasaki/lambda_basic_1.java

Last active August 29, 2015 14:00
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Java8-lambda basic 1 -
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lambda_basic_1.java
package sampleJava;
import java.util.ArrayList;
public class SampleStream {
public static void main(String[] args) {
ArrayList<String> list = new ArrayList<>();
list.add("a0");
list.add("a1");
list.add("b0");
list.add("b1");
java7(list);
java8(list);
}
public static void java7(ArrayList<String> list){
System.out.println("java7");
for (String string : list) {
if(string.startsWith("a")){
System.out.println(string);
}
}
}
public static void java8(ArrayList<String> list){
System.out.println("java8");
list.stream()
.filter(e -> e.startsWith("a"))
.forEach(e -> System.out.println(e));
}
}
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