java8-tutorial/src/com/winterbe/java8/Lambda4.java at master · doctorwho1986/java8-tutorial · GitHub

41 lines (29 loc) · 933 Bytes

package com.winterbe.java8;

/**

* @author Benjamin Winterberg

public class Lambda4 {

static int outerStaticNum;

int outerNum;

void testScopes() {

int num = 1;

Lambda2.Converter<Integer, String> stringConverter =

(from) -> String.valueOf(from + num);

String convert = stringConverter.convert(2);

System.out.println(convert); // 3

Lambda2.Converter<Integer, String> stringConverter2 = (from) -> {

outerNum = 13;

return String.valueOf(from);

};

String[] array = new String[1];

Lambda2.Converter<Integer, String> stringConverter3 = (from) -> {

array[0] = "Hi there";

return String.valueOf(from);

};

stringConverter3.convert(23);

System.out.println(array[0]);

}

public static void main(String[] args) {

new Lambda4().testScopes();

}

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