Output two times and the month with the difference between the two times
public void getYMArray(){
Calendar c1 = Calendar.getInstance();
Calendar c2 = Calendar.getInstance();
c1.setTime(changStringToDate("2016-12-01"));
c2.setTime(changStringToDate("2018-01-01"));
Integer beginYear = c1.get(Calendar.YEAR);
Integer beginMonth = c1.get(Calendar.MONTH)+1;
Integer endYear = c2.get(Calendar.YEAR);
Integer endMonth = c2.get(Calendar.MONTH)+1;
Integer difMonth = (endYear - beginYear) * 12 + endMonth - beginMonth;
if(difMonth>1){
String[] dateYM=new String[1+difMonth];
Integer startmonth = 1;
for(int i=0;i<=difMonth;i++){
startmonth=startmonth+beginMonth;
if(startmonth<=12){
if(startmonth<10){
dateYM[i]=beginYear.toString()+"0"+startmonth.toString();
}else{
dateYM[i]=beginYear.toString()+startmonth.toString();
}
}else{
beginYear=beginYear+1;
if(beginMonth<10){
dateYM[i]=beginYear.toString()+"0"+beginMonth.toString();
}else{
dateYM[i]=beginYear.toString()+beginMonth.toString();
}
beginMonth=1;
startmonth = 0;
}
}
System.out.println(dateYM);
}else if(difMonth==1){
String[] dateYM=new String[2];
dateYM[0]=beginYear.toString()+beginMonth.toString();
dateYM[1]=endMonth.toString()+endMonth.toString();
System.out.println(dateYM);
}
}
Check if two times are in the same month
public void compareToTwoDate(){
String start="2016-01";
String end="2016-02";
if(start.split("-")[0].equals(end.split("-")[0])){
if(start.split("-")[1].equals(end.split("-")[1])){
System.out.println("true");
}else{
System.out.println("false");
}
}else{
System.out.println("false");
}
}