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Use the == operator to compare two calendar objects.Let us first create the first calendar object and set date −Calendar date1 = Calendar.getInstance(); date1.set(Calendar.YEAR, 2040); date1.set(Calendar.MONTH, 10); date1.set(Calendar.DATE, 25); date1.set(Calendar.HOUR_OF_DAY, 11); date1.set(Calendar.MINUTE, 30); date1.set(Calendar.SECOND, 10);Now, the following is the second calendar object −Calendar date2 = Calendar.getInstance(); date2.set(Calendar.YEAR, 2040); date2.set(Calendar.MONTH, 10); date2.set(Calendar.DATE, 25); date2.set(Calendar.HOUR_OF_DAY, 11); date2.set(Calendar.MINUTE, 30); date2.set(Calendar.SECOND, 10);Let is now compare them using == and && operators −if(date1.get(Calendar.SECOND) == date2.get(Calendar.SECOND) && date1.get(Calendar.MINUTE) == date2.get(Calendar.MINUTE) && date1.get(Calendar.HOUR) == date2.get(Calendar.HOUR) && date1.get(Calendar.DAY_OF_YEAR) == date2.get(Calendar.DAY_OF_YEAR) && date1.get(Calendar.YEAR) == date2.get(Calendar.YEAR) ) { System.out.println("The local time for the calendar objects is same..."); } ... Read More
To get the days until the end of the year, find the difference between the total days in the current year with the total number of passed.Firstly, calculate the day of the year.Calendar calOne = Calendar.getInstance(); int dayOfYear = calOne.get(Calendar.DAY_OF_YEAR);Now, calculate the total days in the current year 2018.int year = calOne.get(Calendar.YEAR); Calendar calTwo = new GregorianCalendar(year, 11, 31); int day = calTwo.get(Calendar.DAY_OF_YEAR); System.out.println("Days in current year: "+day);Find the difference and you will get the days until the end of the year.The following is the complete example.Example Live Demoimport java.util.Calendar; import java.util.GregorianCalendar; public class Demo { public static void main(String ... Read More
Firstly, set the day of year using DAY_OF_YEAR constant.Calendar cal = Calendar.getInstance(); cal.set(Calendar.YEAR, 2018); cal.set(Calendar.DAY_OF_YEAR, 320);Now, get the day of month −int res = cal.get(Calendar.DAY_OF_MONTH);The following is an example −Example Live Demoimport java.util.Calendar; public class Demo { public static void main(String[] args) { Calendar cal = Calendar.getInstance(); cal.set(Calendar.YEAR, 2018); cal.set(Calendar.DAY_OF_YEAR, 320); System.out.println("Date = " + cal.getTime()); int res = cal.get(Calendar.DAY_OF_MONTH); System.out.println("Day of month = " + res); } }OutputDate = Fri Nov 16 07:54:55 UTC 2018 Day of month = 16Read More
In 8085 Instruction set, logical type there is one complement instruction with the mnemonic CMA. It actually stands for “CoMplement the Accumulator”. It performs1's complement operation on the current contents of Accumulator, and the result is stored back in the Accumulator replacing its previous contents. It is to be noted that, there are no other instructions tocomplement any other register’s contents. Though it is a logicaltype of instruction, Flag bits are not affected by the execution of this instruction. It occupies only 1 Byte in memory. Mnemonics, OperandOpcode(in HEX)BytesCMA2F1Let us suppose that example, the initial content of Accumulator is AAH i.e. ... Read More
In 8085 Instruction set, there are two instructions to control the Cy flag bit content. Thesemnemonics are STC and CMC. Both are 1-Byteinstructions. There hex codes are given in the following table – Mnemonics, OperandOpcode(in HEX)BytesSTC371CMC3F1Using STC instruction we can set the Cy flag bit to 1 irrespective of itsprevious value. And using CMC instruction we can complement the current value of the Cy fag bit andresult will update the current Cy flag bit value. Here STC stands for “SeT the Carry flag” and CMC stands for “CoMplement the Carry flag”. Note that, there isno dedicated instruction in 8085 instruction set ... Read More
In 8085 Instruction set, we are having a set of instructions to perform compare operation where we shall compare two operands, and which will affect the status flags values depending on the result of the comparison. In this operation, 8085 imposes the restriction that one of the operands must be in the Accumulator. The other operand can be one of the following –ClassificationsExamplesThe other operand can be kept in 8-bit immediate data in the instruction.CPI 43HCPI FFHThe other 8-bit operand can be kept in a memory location and whose memory address will be pointed by HL register pair.CMP MThe other ... Read More
Use the ‘y’ date conversion character to display two-digit year.System.out.printf("Two-digit Year = %TY", d);Above, d is a date object −Date d = new Date();The following is an example −Example Live Demoimport java.util.Date; import java.text.DateFormat; import java.text.SimpleDateFormat; public class Demo { public static void main(String[] args) throws Exception { Date d = new Date(); DateFormat dateFormat = new SimpleDateFormat("dd/MM/yyyy hh:mm:ss a"); String format = dateFormat.format(d); System.out.println("Current date and time = " + format); System.out.printf("Four-digit Year = %TY", d); System.out.printf("Two-digit Year = %ty", d); ... Read More
Use the ‘j’ date conversion character to display three-digit day of the year.System.out.printf("Three-digit Day of the Year: %tj/%Tj", d, d);Above, d is a date object −Date d = new Date();The following is an example −Example Live Demoimport java.util.Date; import java.text.DateFormat; import java.text.SimpleDateFormat; public class Demo { public static void main(String[] args) throws Exception { Date d = new Date(); DateFormat dateFormat = new SimpleDateFormat("dd/MM/yyyy hh:mm:ss a"); String format = dateFormat.format(d); System.out.println("Current date and time = " + format); System.out.printf("Four-digit Year = %TY", d); ... Read More
In 8085 Instruction set, there a set of instructions which can Accumulator contents left orright. It is to be noted here that rotate operation can be performedonly on Accumulator contents. These instructions set is listed below– Mnemonics, OperandOpcode(in HEX)BytesRAL171RAR1F1RLC071RRC0F1Mnemonic RLC stands for “Rotate Left Accumulator”. It rotates the Accumulator contents to the left by 1-bit position. The following Fig. shows the operation explicitly – In this fig. it has been depicted that the mostsignificant bit of the Accumulator will come out and left rotate willcreate an empty space at the least significant bit place and thiscome out bit will be copied at ... Read More
In 8085 Instruction set, there are a set of jump instructions, which can transfer program control to a certain memory location. So after these branching mnemonics we shall have to mention 16-bit target address of the location. These jump instructions can be divided into two categories– Unconditional jump instructions andConditional jump instructionsUnder unconditional jump instructions there is only one mnemonic i.e. JUMP. But under conditional Jump instructions we are having 8 different mnemonics. We know that there are 5 flag bits in 8085 Flag register. They are S, Z, P, Cy, AC. Out of them only on AC flag bit, there ... Read More