/* package whatever; // don't place package name! */
 
import java.util.*;
import java.lang.*;
import java.io.*;
 
/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
 
    public static int hour2minutes(String fullhour)
    {
    	String[] parts = fullhour.split(":");
 
        int hour = Integer.parseInt(parts[0]);
        int min = Integer.parseInt(parts[1]);
 
        return (hour* 60) + min; //Pega o total
    }
 
	public static void main (String[] args) throws java.lang.Exception
	{
		System.out.println(hour2minutes("12:39"));
		System.out.println(hour2minutes("16:20"));
		System.out.println(hour2minutes("23:59"));
	}
}

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