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- // Fig. 8.1: Time1.java
- // Time1 class declaration maintains the time in 24-hour format.
- public class Time1
- {
- private int hour;
- private int minute;
- private int second;
- public void setTime(int h, int m, int s)
- {
- if ( ( h >= 0 && h < 24 ) && ( m >= 0 && m < 60 ) &&
- ( s >= 0 && s < 60 ) )
- {
- hour = h;
- minute = m;
- second = s;
- }
- else
- throw new IllegalArgumentException(
- "hour, minute and/or second was out of range" );
- }
- public String toUniversalString()
- {
- return String.format( "%02d:%02d:%02d", hour, minute, second );
- }
- public String toString()
- {
- return String.format( "%d:%02d:%02d %s",
- ( ( hour == 0 || hour == 12 ) ? 12 : hour % 12 ),
- minute, second, ( hour < 12 ? "AM" : "PM" ) );
- }
- }
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