//snippet-sourcedescription:[DescribeKeyPairs.java demonstrates how to get information about all instance key pairs.]
//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.describe_key_pairs.complete]

// snippet-start:[ec2.java2.describe_key_pairs.import]
import software.amazon.awssdk.services.ec2.Ec2Client;
import software.amazon.awssdk.services.ec2.model.DescribeKeyPairsResponse;
import software.amazon.awssdk.services.ec2.model.KeyPairInfo;
import software.amazon.awssdk.services.ec2.model.Ec2Exception;
// snippet-end:[ec2.java2.describe_key_pairs.import]

/**
 * Describes all instance key pairs
 */
public class DescribeKeyPairs {

    public static void main(String[] args) {
        // snippet-start:[ec2.java2.describe_key_pairs.main]
        Ec2Client ec2 = Ec2Client.create();
        try {
            DescribeKeyPairsResponse response = ec2.describeKeyPairs();

            for(KeyPairInfo keyPair : response.keyPairs()) {
                System.out.printf(
                    "Found key pair with name %s " +
                            "and fingerprint %s",
                    keyPair.keyName(),
                    keyPair.keyFingerprint());
             System.out.println("");
            }
        } catch (Ec2Exception e) {
            e.getStackTrace();
         }
        // snippet-end:[ec2.java2.describe_key_pairs.main]
    }
}
// snippet-end:[ec2.java2.describe_key_pairs.complete]

@@ -202,18 +202,25 @@
 ervice:%5B
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+Amazon EC
 2%5D%0D%0A//sn
@@ -278,13 +278,12 @@
 te:%5B
+2/
 11
-/02
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@@ -342,18 +342,8 @@
 ght 
-2010-2020 
 Amaz
@@ -939,66 +939,8 @@
 c2;%0D
-%0A// snippet-start:%5Bec2.java2.describe_key_pairs.complete%5D%0D
 %0A%0D%0A/
@@ -994,16 +994,63 @@
 mport%5D%0D%0A
+import software.amazon.awssdk.regions.Region;%0D%0A
 import s
@@ -1479,28 +1479,256 @@
 %5B%5D args) %7B%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        describeEC2Keys(ec2);%0D%0A%0D%0A    %7D%0D%0A%0D%0A
     // snipp
@@ -1781,47 +1781,61 @@
     
-    Ec2Client ec2 = Ec2Client.create();
+public static void describeEC2Keys( Ec2Client ec2)%7B%0D%0A
 %0D%0A  
@@ -2318,24 +2318,90 @@
     
-e.getStackTrace(
+System.err.println(e.awsErrorDetails().errorMessage());%0D%0A            System.exit(1
 );%0D%0A
@@ -2483,63 +2483,7 @@
  %7D%0D%0A
+
 %7D%0D%0A
-// snippet-end:%5Bec2.java2.describe_key_pairs.complete%5D%0D%0A

Update DescribeKeyPairs.java