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package com.cug.datastream;import java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReader;public class SystemInDemo {	public static void main(String[] args) throws IOException {		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));				String line = null;		System.out.println("Please enter a String:");	    line = br.readLine();	    System.out.println(line);	    	    System.out.println("Please enter a int:");	    line = br.readLine();	    int value = Integer.parseInt(line);	    System.out.println(value);	}}

package com.cug.datastream;import java.io.BufferedWriter;import java.io.IOException;import java.io.OutputStreamWriter;import java.io.PrintStream;public class SystemOutDemo {	public static void main(String[] args) throws IOException {//		PrintStream ps = System.out;//		ps.println("safdas");		//		ps.close();				BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(System.out));		bw.write("dfsafd");		bw.newLine();		bw.write("I Love you!!!");		bw.flush();				bw.close();	}}

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