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authormsglm <msglm@techchud.xyz>2023-01-14 05:31:48 -0600
committermsglm <msglm@techchud.xyz>2023-01-14 05:31:48 -0600
commit9d53d8857eaa1c9405894a88ca75bc4657e42f35 (patch)
treeeb1efc1d028b949dd83bb710c68be8eff58f26e7 /Java/HollowBox.java
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-rw-r--r--Java/HollowBox.java52
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diff --git a/Java/HollowBox.java b/Java/HollowBox.java
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+import java.io.BufferedReader;
+import java.io.InputStreamReader;
+
+class HollowBox {
+ public static void main(String[] args) throws java.io.IOException {
+ int h,w;
+ //Buffered readers can improve speed up to 30% as they are less bloated than scanners and don't cause a memory leak when not closed
+ BufferedReader HeightI = new BufferedReader(new InputStreamReader(System.in));
+ BufferedReader WidthI = new BufferedReader(new InputStreamReader(System.in));
+ System.out.println("Height");
+ h = Integer.parseInt(HeightI.readLine());
+ System.out.println("Width");
+ w = Integer.parseInt(WidthI.readLine());
+
+
+//if less than 3, re-enter
+if(h<3) {
+System.out.println("Invalid height! Re-enter:");
+h = Integer.parseInt(HeightI.readLine());
+
+}
+
+if(w<3) {
+System.out.println("Invalid width! Re-enter:");
+w = Integer.parseInt(WidthI.readLine());;
+}
+
+
+for(int i=0;i<h;i++) { //loops for height
+for(int j=0;j<w;j++) { //loops for width
+
+if(i==0||i==h-1) { //if i is in the 0th place or height then it will print out *
+System.out.print("*");
+}else {
+if(j==0||j==w-1) { //if j is in the 0th place or width then it will print out *
+System.out.print("*");
+}else {
+System.out.print(" "); //if j is in the in between the 0th place and width then it will print out a space
+}
+}
+}
+
+System.out.println(""); //prints out next line
+}
+
+}
+
+}
+
+
+
+//By msglm; Special thanks to Jude Spikes