Unit 2 Progress Check: Frq (Apes)verified To Pass 2023/2024

Part A: Write a statement to create a LightSequence object gradShow that has the initial light sequence "0101 0101 0101".Write the statement below. {Ans: LightSequence gradShow = new LightSequence("0101 0101 0101");}Part D: Write a code segment that will call the insertSegment method to insert the segment "1111 1111" in the current sequence for gradShow at index 4. The resulting sequence will be stored in the string resultSeq.Write the code segment below. {Ans: String resultSeq = gradShow.insertSegment("1111 1111", 4);}Part F: Two lights will be arranged on a two-dimensional plane. The vertical distance between the two lights is stored in the double variable a. The horizontal distance between the two lights is stored in the double variable b.The straight-line distance between the two lights is given by the formula .Write a code segment that prints the straight-line distance between the two lights according to the formula above. {Ans: System.out.println(Math.sqrt(Math.pow(a, 2) + Math.power(b,2)));}Part E: Assume that the string oldSeq has been properly declared and initialized and contains the string segment. Write a code segment that will remove the first occurrence of segment from oldSeq and store it in the string newSeq. Consider the following examples.If oldSeq is "1100000111" and segment