Created
October 2, 2012 07:24
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Scala for impatients, chapter 5, 3th task
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| class Time( private var _hour: Int, private var _minute: Int ) { | |
| if ( _minute > 59 ) { | |
| _hour += ( _minute / 60 ) | |
| _minute = _minute % 60 | |
| } | |
| if ( hour > 23 ) { | |
| _hour = 23 | |
| } | |
| def hour = _hour | |
| def minute = _minute | |
| def before( other: Time ) = | |
| if ( other.hour > _hour ) true | |
| else if ( other.hour < _hour ) false | |
| else if ( other.minute > _minute ) true | |
| else false | |
| override def toString(): String = hour + ":" + minute | |
| } | |
| val time1 = new Time( 1, 10 ) | |
| val time2 = new Time( 2, 10 ) | |
| val time3 = new Time( 1, 11 ) | |
| println( time1 + " before " + time2 + "? " + time1.before( time2 ) ) | |
| println( time2 + " before " + time1 + "? " + time2.before( time1 ) ) | |
| println( time1 + " before " + time3 + "? " + time1.before( time3 ) ) | |
| println( time3 + " before " + time1 + "? " + time3.before( time1 ) ) |
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