normaltest.java

高质量Java程序设计 源代码

package net.betterjava.exception.flow;
import java.io.DataInput;
import java.io.DataInputStream;
import java.io.EOFException;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;

public class NormalTest {
	private static long tryOperand = 0;
	private static long finallyOperand = 0;

	public NormalTest() {
		super();
	}

	private static void finallyIncrease() {
		finallyOperand++;
	}
	private static void tryIncrease() {
		tryOperand++;
	}

	public static void main(String[] args) {
		long t = System.currentTimeMillis();
		for (int i = 0; i < 100000000; i++) {
			tryIncrease();
			finallyIncrease();
		}
		System.out.println(System.currentTimeMillis() - t);

		FileInputStream fin;
		try {
			fin = new FileInputStream("fileName");
		} catch (FileNotFoundException e) {
			System.out.println("Can't find file: " + "fileName");
			return;
		}

		DataInput din = new DataInputStream(fin);
		try {
			int i = din.readInt();
			long l = din.readLong();
			float f = din.readFloat();
			double d = din.readDouble();
			boolean b = din.readBoolean();

			System.out.println(i);

		} catch (EOFException e) {
			//reach end of file
		} catch (IOException ioe) {
			//do something
		}

	}
}