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new FileOutputStream("D:\\333\\111.txt"), true); //这里再换成false
char[] c = new char[]{'a', 'b', 'c', 'd'};
out.print(c);
PrintStream out2 = new PrintStream(
new BufferedOutputStream(new FileOutputStream("111.txt")), true);
char[] c = new char[]{'e', 'f', 'g', 'h'};
int i = 97;
out2.print(c);
out2.println();
BufferedInputStream in = new BufferedInputStream(
new FileInputStream("111.txt"));
int a = 0;
while((a = in.read()) != -1){
System.out.print((char)a);
}
// BufferedInputStream in = new BufferedInputStream(
// new FileInputStream("D:\\333\\111.txt"));
// int a = 0;
// while((a = in.read()) != -1){
// System.out.print((char)a);
// }
PrintStream out2 = new PrintStream(
new FileOutputStream("D:\\333\\111.txt"), false);
char[] c = new char[]{'e', 'f', 'g', 'h'};
int i = 97;
out2.print(c);
BufferedInputStream in = new BufferedInputStream(
new FileInputStream("D:\\333\\111.txt"));
int a = 0;
while((a = in.read()) != -1){
System.out.print((char)a);
}