浮点转换字符包括以下内容。
| 字符 | 描述 |
|---|---|
| ％e | 计算机科学计数法中的十进制数 |
| ％E | 计算机科学计数法中的十进制数 |
| ％F | 十进制数 |
| ％G | 根据计算机科学计数法或十进制格式， |
| ％G | 根据计算机科学计数法或十进制格式， |
public class Demo {
public static void main(String[] args) throws Exception {
System.out.printf("Integer conversions...\n");
System.out.printf( "Integer: %d\n", 889 );
System.out.printf( "Negative Integer: %d\n", -78 );
System.out.printf( "Octal: %o\n", 677 );
System.out.printf( "Hexadecimal: %x\n", 56 );
System.out.printf( "Hexadecimal: %X\n", 99 );
System.out.printf("\nFloating-point conversions...\n");
System.out.printf( "%e\n", 29567457.78 );
System.out.printf( "%E\n", 34567457.89 );
System.out.printf( "%f\n", 69874789.11 );
System.out.printf( "%g\n", 7567579.38 );
System.out.printf( "%G\n", 4766757.67 );
}
}输出结果
Integer conversions... Integer: 889 Negative Integer: -78 Octal: 1245 Hexadecimal: 38 Hexadecimal: 63 Floating-point conversions... 2.956746e+07 3.456746E+07 69874789.110000 7.56758e+06 4.76676E+06