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TRNG I HC K THUT CNG NGH

KHOA CNG NGH THNG TIN

Mn: Lp trnh mng

Bi thc hnh 4

Bi 1: Vit chng trnh s dng SingleThread to ra mt qu banh chy trn mnhnh.

a. Bc 1: To ra lp Ball.java

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b. Bc 2: To Form c giao din nh sau:

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c. Bc 3: X l s kin cho button Start:

d. Bc 4: Chy th ng dng bng cch nhp nhiu ln vo button Start.

Bi 2: Vit chng trnh s dng MultiThread to ra nhiu qu banh chy trn mnhnh.

a. Bc 1: To ra lp Balls.java

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b. Bc 2: To Form c giao din nh sau:

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c. Bc 3: X l s kin cho button Start:

d. Bc 4: Chy th ng dng bng cch nhp nhiu ln vo button Start.

Bi 3. Vit chng trnh to ra mt i tng FileTWrite k tha i i tng Thread(hoc ci t giao din Runable), cho php vit mt dy s ngu nhin vo tp tin. itng FileTWriter c thuc tnh tn tp tin cn vit. Vit hm main to ra 3 i tngvit 3 tp tin chy 3 tin trnh ng thi ring bit.

Bi 4. Vit chng trnh to ra mt i tng FileTReader k tha i i tng Thread(hoc ci t Runable), cho php c ni dung mt tp tin v hin th ln mn hnh. itng FileReader c thuc tnh tn tp tin cn m. Vit hm main to ra 3 i tng c3 tp tin chy 3 tin trnh ng thi ring bit.

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Bi 5. Vit chng trnh to ra i tng c tp tin, vit tp tin chy tng tin trnhring (c x l ng b ha d liu). Vit hm main to ra i tng vit v c d liuvi tp tin ging nhau. Kim tra vic ng b ha d liu.