45 lines
1.1 KiB
Java
45 lines
1.1 KiB
Java
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package com.baeldung.string;
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import java.util.Arrays;
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import java.util.List;
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import java.util.Map;
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import java.util.stream.Collectors;
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import java.util.stream.Stream;
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public class JoinerSplitter {
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public static String join ( String[] arrayOfString ) {
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return Arrays.asList(arrayOfString)
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.stream()
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.map(x -> x)
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.collect(Collectors.joining(","));
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}
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public static String joinWithPrefixPostFix ( String[] arrayOfString ) {
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return Arrays.asList(arrayOfString)
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.stream()
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.map(x -> x)
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.collect(Collectors.joining(",","[","]"));
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}
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public static List<String> split ( String str ) {
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return Stream.of(str.split(","))
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.map (elem -> new String(elem))
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.collect(Collectors.toList());
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}
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public static List<Character> splitToListOfChar ( String str ) {
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return str.chars()
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.mapToObj(item -> (char) item)
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.collect(Collectors.toList());
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}
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public static Map<String, String> arrayToMap(String[] arrayOfString) {
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return Arrays.asList(arrayOfString)
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.stream()
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.map(str -> str.split(":"))
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.collect(Collectors.<String[], String, String>toMap(str -> str[0], str -> str[1]));
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}
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}
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