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/**
 *
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License 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 org.apache.hadoop.hbase.util;

/**
 * A generic way for querying Java properties.
 */
public class GetJavaProperty {
  public static void main(String args[]) {
    if (args.length == 0) {
      for (Object prop: System.getProperties().keySet()) {
        System.out.println(prop + "=" + System.getProperty((String)prop, ""));
      }
    } else {
      for (String prop: args) {
        System.out.println(System.getProperty(prop, ""));
      }
    }
  }
}