//snippet-sourcedescription:[CreateKeyPair.java demonstrates how to create an EC2 key pair.]
//snippet-keyword:[SDK for Java 2.0]
//snippet-keyword:[Code Sample]
//snippet-service:[ec2]
//snippet-sourcetype:[full-example]
//snippet-sourcedate:[11/02/2020]
//snippet-sourceauthor:[scmacdon]
/*
 * Copyright 2010-2020 Amazon.com, Inc. or its affiliates. All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License").
 * You may not use this file except in compliance with the License.
 * A copy of the License is located at
 *
 *  http://aws.amazon.com/apache2.0
 *
 * or in the "license" file accompanying this file. This file is distributed
 * on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
 * express or implied. See the License for the specific language governing
 * permissions and limitations under the License.
 */
package com.example.ec2;
// snippet-start:[ec2.java2.create_key_pair.complete]
// snippet-start:[ec2.java2.create_key_pair.import]
import software.amazon.awssdk.services.ec2.Ec2Client;
import software.amazon.awssdk.services.ec2.model.CreateKeyPairRequest;
import software.amazon.awssdk.services.ec2.model.CreateKeyPairResponse;
import software.amazon.awssdk.services.ec2.model.Ec2Exception;
// snippet-end:[ec2.java2.create_key_pair.import]

/**
 * Creates an EC2 key pair
 */
public class CreateKeyPair {

    public static void main(String[] args) {
        final String USAGE =
                "To run this example, supply a key pair name\n" +
                        "Ex: CreateKeyPair <key-pair-name>\n";

        if (args.length != 1) {
            System.out.println(USAGE);
            System.exit(1);
        }

        String keyName = args[0];
        // snippet-start:[ec2.java2.create_key_pair.main]

        Ec2Client ec2 = Ec2Client.create();

        try {

            CreateKeyPairRequest request = CreateKeyPairRequest.builder()
                .keyName(keyName).build();

            CreateKeyPairResponse response = ec2.createKeyPair(request);

            System.out.printf(
                "Successfully created key pair named %s",
                keyName);

        } catch (Ec2Exception e) {
        e.getStackTrace();
        }
        // snippet-end:[ec2.java2.create_key_pair.main]
      }
    }
// snippet-end:[ec2.java2.create_key_pair.complete]

@@ -67,24 +67,31 @@
 o create an 
+Amazon 
 EC2 key pair
@@ -184,18 +184,25 @@
 ervice:%5B
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+Amazon EC
 2%5D%0D%0A//sn
@@ -260,13 +260,12 @@
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 11
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@@ -324,18 +324,8 @@
 ght 
-2010-2020 
 Amaz
@@ -922,61 +922,8 @@
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-// snippet-start:%5Bec2.java2.create_key_pair.complete%5D
 %0D%0A//
@@ -973,16 +973,63 @@
 mport%5D%0D%0A
+import software.amazon.awssdk.regions.Region;%0D%0A
 import s
@@ -1766,20 +1766,257 @@
 gs%5B0%5D;%0D%0A
+%0D%0A
     
+    //Create an Ec2Client object%0D%0A        Region region = Region.US_WEST_2;%0D%0A        Ec2Client ec2 = Ec2Client.builder()%0D%0A                .region(region)%0D%0A                .build();%0D%0A%0D%0A        createEC2KeyPair(ec2, keyName) ;%0D%0A    %7D%0D%0A%0D%0A
     // s
@@ -2066,53 +2066,80 @@
 n%5D%0D%0A
-%0D%0A
     
-    Ec2Client ec2 = Ec2Client.create();
+public static void createEC2KeyPair(Ec2Client ec2,String keyName ) %7B
 %0D%0A%0D%0A
@@ -2149,26 +2149,24 @@
      try %7B%0D%0A
-%0D%0A
             
@@ -2344,26 +2344,24 @@
 (request);%0D%0A
-%0D%0A
             
@@ -2516,24 +2516,94 @@
     
-e.getStackTrace(
+    System.err.println(e.awsErrorDetails().errorMessage());%0D%0A            System.exit(1
 );%0D%0A
@@ -2690,57 +2690,4 @@
  %7D%0D%0A
-// snippet-end:%5Bec2.java2.create_key_pair.complete%5D%0D%0A

Update CreateKeyPair.java