Page 555 - ComputerScience_Class_11

70 name = mat1.readUTF();
71 pan = mat1.readUTF();
72 taxIncome = mat1.readDouble();
73 if(taxIncome>100000.0)
74 {
75 std.writeUTF(name);

76 std.writeUTF(pan);
77
std.writeDouble(taxIncome);
78 }
79
80 }
81 catch(EOFException e)
82 {

83 System.out.println("This is the end of File");
84 eof = true;
85 }
86 }
87 mat1.close();
88 std.close();
89 File f1 = new File("info.dat");
90 f1.delete();
91
File f2 = new File("temp.dat");
92 boolean Rename = f2.renameTo(f1);
93 if(!Rename)
94 {
95 System.out.println("ERROR: Cannot Rename File");
96 System.exit(0);
97 }
98 else
99 System.out.println("File SUCCESSFULLY renamed");

100 break;
101 case 4:
102 mat1 = new DataInputStream(new FileInputStream("info.dat"));
103 std = new DataOutputStream(new FileOutputStream("temp.dat"));
104 eof = false;
105
while(!eof)
106 {
107 try
108 {
109 name = mat1.readUTF();

Sample Projects 553