Map String String how to print both the key string and value string together

Question

I m new to Java and is trying to learn the concept of Maps    I have came up with the code below  However  I want to print out the  key String  and  value String  at the same time    ProcessBuilder pb1   new ProcessBuilder    Map lt String  String gt  mss1   pb1 environment    System out println mss1 size      for  String key  mss1 keySet         System out println key       I could only find method that print only the  key String

User · Answer

final Map lt String  String gt  mss1   new ProcessBuilder   environment    mss1 entrySet            stream             depending on how you want to join K and V use different delimiter          map entry - gt           String join      entry getKey   entry getValue              forEach System out  println

User · Answer

There are various ways to achieve this  Here are three       Map lt String  String gt  map   new HashMap lt String  String gt         map put  key1    value1        map put  key2    value2        map put  key3    value3         System out println  using entrySet and toString        for  Entry lt String  String gt  entry   map entrySet              System out println entry             System out println         System out println  using entrySet and manual string creation        for  Entry lt String  String gt  entry   map entrySet              System out println entry getKey           entry getValue               System out println         System out println  using keySet        for  String key   map keySet              System out println key         map get key              System out println      Output  using entrySet and toString key1 value1 key2 value2 key3 value3  using entrySet and manual string creation key1 value1 key2 value2 key3 value3  using keySet key1 value1 key2 value2 key3 value3

User · Answer

Inside of your loop  you have the key  which you can use to retrieve the value from the Map   for  String key  mss1 keySet          System out println key          mss1 get key

[java] Map<String, String>, how to print both the "key string" and "value string" together

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