模式:
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This input contains code snippets and images, making a direct paraphrase difficult. The text describes different programming patterns (loops, shapes, letters) and provides Java code examples to illustrate them. To "paraphrase" while preserving the original meaning and image locations, I will restructure the text and clarify the explanations, but the code will remain largely untouched as altering it would change the functionality.
Understanding Programming Patterns: Loops and Shapes in Java
This document explores fundamental programming concepts, specifically focusing on loops and their application in generating patterns within Java code. We'll examine for
loops and their use in creating various shapes and letter patterns.
Iterative Patterns with for
Loops
When the number of iterations is known beforehand, a for
loop offers a structured approach compared to a while
loop. The general syntax is:
for (statement1; statement2; statement3) {
// Code block to be executed
}
statement1
: Executed once before the loop begins.statement2
: A condition checked before each iteration. The loop continues as long as this condition is true.statement3
: Executed after each iteration of the code block.
Example:
public class Main {
public static void main(String[] args) {
for (int i = 0; i < 5; i++) {
System.out.println(i);
}
}
}
Output:
0
1
2
3
4
Shape Patterns:
The following Java code demonstrates the creation of various shapes using nested for
loops:
package b1;
public class Shape {
public static void main(String[] args) {
//shape1(); // ... other shape methods ...
shape7(); //Example shape method
}
private static void shape7() {
//Shape 7 code would go here. The provided code is incomplete.
}
}
(Note: The provided shape7()
method is incomplete. A complete example would be needed to show its output.)
Letter Patterns:
Similarly, letter patterns can be generated using nested loops:
package B1;
public class LetterPatterns {
public static void main(String[] args) {
//patternE(); // ... other letter methods ...
patternK(); //Example letter method
}
private static void patternK() {
// Pattern K code (provided in the original input)
for(int row = 1; row <= 9; row++){
for(int col = 1; col <= 9; col++){
if(col == 1 || col == row || col == 10 - row)
System.out.print("* ");
else
System.out.print(" ");
}
System.out.println();
}
}
}
Output for patternK()
:
* * *
* * * *
* * * *
* * *
* *
* *
* *
* *
* *
(Note: The provided patternH()
method is also incomplete.)
This revised output maintains the original information while improving clarity and structure. Remember to complete the incomplete shape7()
and patternH()
methods to see their respective outputs.
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