corda/classpath/java/lang/Long.java

60 lines
1.1 KiB
Java

package java.lang;
public final class Long extends Number {
public static final Class TYPE = Class.forCanonicalName("J");
private final long value;
public Long(long value) {
this.value = value;
}
public byte byteValue() {
return (byte) value;
}
public short shortValue() {
return (short) value;
}
public int intValue() {
return (int) value;
}
public long longValue() {
return value;
}
public float floatValue() {
return (float) value;
}
public double doubleValue() {
return (double) value;
}
private static long pow(long a, long b) {
long c = 1;
for (int i = 0; i < b; ++i) c *= a;
return c;
}
public static long parseLong(String s, int radix) {
long number = 0;
for (int i = 0; i < s.length(); ++i) {
char c = s.charAt(i);
if (((c >= '0') && (c <= '9')) ||
((c >= 'a') && (c <= 'z'))) {
long digit = ((c >= '0' && c <= '9') ? (c - '0') : (c - 'a' + 10));
number += digit * pow(radix, (s.length() - i - 1));
} else {
throw new NumberFormatException("Invalid character " + c + " code " +
(int) c);
}
}
return number;
}
}