#Java - Code Snippets for '#Map.merge'

#Java - Code Snippets for '#Map.merge' - 2 code snippet(s) found

Sample 1. Java 8 Map Merge Example ( Map.merge )

Map<String,String> intMap = new HashMap<String,String>();

strMap.put("Key1","Value1");

strMap.put("Key2", "Value2");    

String str = strMap.merge("Key1","Value56",(v1,v2)->v1.substring(3).concat(v2));

System.out.println(str); // prints ue1Value56

System.out.println(strMap); // prints {Key2=Value2, Key1=ue1Value56}

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Sample 2. Java 8 MapMerge

Map<String,String> strMap = new HashMap<String,String>();

strMap.put("Key1","Value1");

strMap.put("Key2", "Value2");    

String str = strMap.merge("Key4","Value56",(v1,v2)->v1.substring(3).concat(v2));

System.out.println(str); // prints Value56

System.out.println(strMap); // prints {Key2=Value2, Key1=Value1, Key4=Value56}

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